3D polycrystalline discrete element method (3PDEM) for simulation of crack initiation and propagation in granular rock
文献类型：期刊论文
| 作者 | Li, H. B.2; Zhao, Y.1; Li, X. F.1,2,3 |
| 刊名 | COMPUTERS AND GEOTECHNICS
 |
| 出版日期 | 2017 |
| 卷号 | 90页码:96-112 |
| 关键词 | 3D polycrystalline discrete element method Granular rock Damage propagation Discontinuum Numerical modeling |
| ISSN号 | 0266-352X |
| DOI | 10.1016/j.compgeo.2017.05.023 |
| 英文摘要 | A three-dimensional Voronoi tessellation model based on the distinct element method (DEM) is proposed to model the representative part of the microstructures of granular brittle rocks. Regularization is employed to decrease the frequency of polyhedrons with large edge ratio and contributes to a higher efficiency for element meshing. Sensitivity analyses are performed for a series of micro contact parameters in accordance with the macro responses observed in laboratory experiments (e.g. the uniaxial compression test, the Brazilian disc test and the triaxial compression test). Verifications by simulating the spalling test and plate impact test indicate that the 3D polycrystalline discrete element method (3PDEM) can be employed for efficiently simulating nonlinear mechanical behaviors, large deformation, strain softening and rock dynamics. (C) 2017 Elsevier Ltd. All rights reserved. |
| WOS研究方向 | Computer Science ; Engineering ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000410011600008 |
| 出版者 | ELSEVIER SCI LTD |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/4146]  |
| 专题 | 岩土力学所知识全产出_期刊论文 国家重点实验室知识产出_期刊论文 |
| 作者单位 | 1.Monash Univ, Dept Civil Engn, Clayton,; 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn ; 3.Univ Chinese Acad Sci |
| 推荐引用方式 GB/T 7714 | Li, H. B.,Zhao, Y.,Li, X. F.. 3D polycrystalline discrete element method (3PDEM) for simulation of crack initiation and propagation in granular rock[J]. COMPUTERS AND GEOTECHNICS,2017,90:96-112. |
| APA | Li, H. B.,Zhao, Y.,&Li, X. F..(2017).3D polycrystalline discrete element method (3PDEM) for simulation of crack initiation and propagation in granular rock.COMPUTERS AND GEOTECHNICS,90,96-112. |
| MLA | Li, H. B.,et al."3D polycrystalline discrete element method (3PDEM) for simulation of crack initiation and propagation in granular rock".COMPUTERS AND GEOTECHNICS 90(2017):96-112. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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